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Last Digits Add to 10 Worksheet

Vedic maths trick 22: Last digits adding to 10 · Set 823 · 40 sums
TalentJR

The trick (Antyayoreva): Check: same front part, last digits add up to 10. Left part: front part × the next number. Right part: multiply the last digits — always write it with 2 digits.

NameDateTime takenScore ___ / 40
  1. 1.53 × 57 =
  2. 2.31 × 39 =
  3. 3.87 × 83 =
  4. 4.97 × 93 =
  5. 5.28 × 22 =
  6. 6.63 × 67 =
  7. 7.64 × 66 =
  8. 8.14 × 16 =
  9. 9.66 × 64 =
  10. 10.37 × 33 =
  11. 11.28 × 22 =
  12. 12.11 × 19 =
  13. 13.47 × 43 =
  14. 14.51 × 59 =
  15. 15.299 × 291 =
  16. 16.83 × 87 =
  17. 17.11 × 19 =
  18. 18.91 × 99 =
  19. 19.161 × 169 =
  20. 20.91 × 99 =
  21. 21.21 × 29 =
  22. 22.82 × 88 =
  23. 23.157 × 153 =
  24. 24.55 × 55 =
  25. 25.49 × 41 =
  26. 26.74 × 76 =
  27. 27.34 × 36 =
  28. 28.243 × 247 =
  29. 29.231 × 239 =
  30. 30.82 × 88 =
  31. 31.29 × 21 =
  32. 32.13 × 17 =
  33. 33.324 × 326 =
  34. 34.72 × 78 =
  35. 35.111 × 119 =
  36. 36.15 × 15 =
  37. 37.99 × 91 =
  38. 38.131 × 139 =
  39. 39.307 × 303 =
  40. 40.395 × 395 =

Answer key

  1. 3021
  2. 1209
  3. 7221
  4. 9021
  5. 616
  6. 4221
  7. 4224
  8. 224
  9. 4224
  10. 1221
  11. 616
  12. 209
  13. 2021
  14. 3009
  15. 87009
  16. 7221
  17. 209
  18. 9009
  19. 27209
  20. 9009
  21. 609
  22. 7216
  23. 24021
  24. 3025
  25. 2009
  26. 5624
  27. 1224
  28. 60021
  29. 55209
  30. 7216
  31. 609
  32. 221
  33. 105624
  34. 5616
  35. 13209
  36. 225
  37. 9009
  38. 18209
  39. 93021
  40. 156025

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